Honeywell BENDIX KING KMH 880 System Installation Manual page 198

B
Verify that the Pitch and Roll Status goes INVALID.
Verify that the "TAS" flag appears on the traffic display.
Reset the circuit breaker. Verify that the "TAS" flag clears.
Pass/Fail ______.
6. If applicable, verify that the Radio Altimeter is properly interfaced to the
TAS Processor. Confirm the radio altitude configuration straps and
measure the input at the KMH/KTA Processor.
The TAS and radio altitude source(s) should be operating normally for
the following test. Connect the Diagnostic Computer to the TAS
through the RS-232 port. Run the TASDIAG Input Data program and
observe the following on the computer.
Monitor the radio altitude source in the cockpit. Observe the Radio
Altitude readout. The computer readout should agree with the cockpit
radio altimeter indicator. If the computer display is too erratic, measure
the voltage with an alternative test.
The Rad. Alt. Status on the computer should indicate VALID
Using the radio altimeter self-test, confirm the following:
With Radio Altitude source at 0 feet (on Ground), the computer
indicates ______feet.
When Radio altitude self-test (40-50') is pressed, the computer
indicates ______ feet.
Do these readings agree with the cockpit display?
An alternate method can be by using a Radio Altimeter tester.
Confirm the following:
When the Radio altitude is at 0 feet, the Diagnostic Computer indicates
______ feet.
When the Radio altitude is at 1,000 feet, the Diagnostic Computer
indicates ______ feet.
When the Radio altitude is at 2,000 feet, the Diagnostic Computer
indicates ______ feet.
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KMH 880/KTA 870
Yes/No
Rev 0, October/2000